Home / 42,008.02-63,023.91-12,425.74

Finding the Fourth Proportional to 42,008.02, 63,023.91 and 12,425.74

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Solution

The fourth proportional to 42,008.02, 63,023.91 and 12,425.74 is: 18,642.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,008.02 : 63,023.91 = 12,425.74 : x
  2. Step 2: Convert to fraction form
    42,008.02/63,023.91 = 12,425.74/x
  3. Step 3: Cross multiply
    42,008.02x = 63,023.91 × 12,425.74
  4. Step 4: Simplify right side
    42,008.02x = 783,118,719.44
  5. Step 5: Solve for x
    x = 783,118,719.44/42,008.02
  6. Step 6: Final answer
    x = 18,642.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.